/Engine/Source/Runtime/Engine/Public/Streaming/TextureMipDataProvider.h
If no sync options are used in the tick of eitherFTextureMipDataProvideror FTextureMipAllocator, the tick must at least advance to the next state through AdvanceTo() to prevent infinite loops.
struct FTextureUpdateSyncOptions
bool *
bSnooze
A bool to tell whether the tick should be postponed by a small duration (undefined by design).
FThreadSafeCoun...
Counter
A counter that will be incremented before doing an operation and then decremented once has completed.
FCallback
RescheduleCallback
A callback to force a new tick on the relevant thread.